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Finding the Fourth Proportional to 295,461.80, 443,271.90 and 118,093.40

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Solution

The fourth proportional to 295,461.80, 443,271.90 and 118,093.40 is: 177,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,461.80 : 443,271.90 = 118,093.40 : x
  2. Step 2: Convert to fraction form
    295,461.80/443,271.90 = 118,093.40/x
  3. Step 3: Cross multiply
    295,461.80x = 443,271.90 × 118,093.40
  4. Step 4: Simplify right side
    295,461.80x = 52,347,485,795.46
  5. Step 5: Solve for x
    x = 52,347,485,795.46/295,461.80
  6. Step 6: Final answer
    x = 177,171.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.